$cborder: #d9d9d9;
// page{background-color: #d0ebfd;}
.main-card{
    padding: 20px 10px;
    .card-item{position: relative;width: 730px;height: 300px;border-radius: 10px;overflow: hidden;}
    .card-bg{width: 730px;height: 300px;}
    .card-item-con{color: #fff;position: absolute;left:0;top: 0;width: 100%;height: 100%;
        .text-num{font-size: 72px;line-height: 90px;}
    }
}